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fixed unsave calculation of mpz_export length

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This commit is contained in:
Martin Willi
2008-05-13 13:52:45 +00:00
parent 02ffd89642
commit 7af8995cde
1 changed files with 1 additions and 3 deletions
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src/libstrongswan/plugins/gmp/gmp_rsa_private_key.c
+1 -3
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@@ -373,11 +373,9 @@ static bool belongs_to(private_gmp_rsa_private_key_t *this, public_key_t *public
*/ */
chunk_t gmp_mpz_to_asn1(const mpz_t value) chunk_t gmp_mpz_to_asn1(const mpz_t value)
{ {
size_t bits = mpz_sizeinbase(value, 2); /* size in bits */
chunk_t n; chunk_t n;
n.len = 1 + bits / 8; /* size in bytes */ n.ptr = mpz_export(NULL, &n.len, 1, 1, 1, 0, value);
n.ptr = mpz_export(NULL, NULL, 1, n.len, 1, 0, value);
return asn1_wrap(ASN1_INTEGER, "m", n); return asn1_wrap(ASN1_INTEGER, "m", n);
} }